| Type: | Switch |
| Saved in: | Drawing |
| Initial value: | Off |
Controls use of user-defined arrowhead blocks at the ends of the dimension line.
| Off | Normal arrowheads or user-defined arrowhead blocks set by DIMBLK are used |
| On | User-defined arrowhead blocks are used |
DIMBLK1 and DIMBLK2 specify different user-defined arrowhead blocks for each end of the dimension line.